control module

Hi guys, I have an SL350 2003 year and have had some electrical gremlins; the symptoms are as follow:- - SRS airbag continually on the dashboard. - Intermittantly the Air Con unit does not work for sustained periods. - In rain / snow the dashboard shows the 'bulb failiure' warning...

My car is a 1999 W202 C200 and I'm confused as to whether my radiator cooling fan module is working properly or not. Last week on a warm sunny day, stuck in town traffic I got the feeling that my temp gauge needle had crept a little higher than normal with no effort from my cooling fan. Back...